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SEM micrographs (A, B) and laser scanning confocal micrograph (C) of PLGA nanosphere-immobilized PLLA nanofibrous scaffolds. FITC-labeled bovine serum albumin was encapsulated in PLGA nanospheres, showing green emission under confocal microscopy (C). From Wei et al.[100] Copyright © 2006 by Elsevier. Reprinted with permission of Elsevier.
